Gallbladder polyps 0.4 by 0.3 centimeters are generally not considered serious. Gallbladder polyps 0.4 by 0.3 centimeters, with a very low probability of malignancy, are of low severity and can be observed regularly. Therefore, gallbladder polyps less than 1 cm can be observed temporarily and it is recommended that they be reviewed every 6 months to 1 year. Surgical resection is recommended for the following indications: gallbladder stones combined with gallbladder polyps, gallbladder polyps with a diameter of more than 1 cm, solitary polyps with a wide base, polyps or stones located in the juxtapubic area of the gallbladder or in the cystic ducts, gallbladder polyps that have rapidly enlarged in a short period of time, and cancer of the gallbladder is not ruled out. To summarize, patients with such small gallbladder polyps can be temporarily observed. If they increase rapidly in a short period of time, they should go to the hospital for treatment in time.